package com.ruoyi.framework.web.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.RegisterBody;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.user.CaptchaException;
import com.ruoyi.common.exception.user.CaptchaExpireException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysUserService;

/**
 * 注册校验方法
 *
 * @author dayang
 */
@Component
public class SysRegisterService {

	@Autowired
	private ISysUserService userService;

	@Autowired
	private ISysConfigService configService;

	@Autowired
	private RedisCache redisCache;

	/**
	 * 注册
	 */
	public String register(RegisterBody registerBody) {
		String msg = "", username = registerBody.getUsername(), password = registerBody.getPassword();
		SysUser sysUser = new SysUser();
		sysUser.setUserName(username);

		// 验证码开关
		boolean captchaEnabled = configService.selectCaptchaEnabled();
		if (captchaEnabled) {
			validateCaptcha(username, registerBody.getCode(), registerBody.getUuid());
		}

		if (StringUtils.isEmpty(username)) {
			msg = "用户名不能为空";
		}
		else if (StringUtils.isEmpty(password)) {
			msg = "用户密码不能为空";
		}
		else if (username.length() < UserConstants.USERNAME_MIN_LENGTH
				|| username.length() > UserConstants.USERNAME_MAX_LENGTH) {
			msg = "账户长度必须在2到20个字符之间";
		}
		else if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
				|| password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
			msg = "密码长度必须在5到20个字符之间";
		}
		else if (!userService.checkUserNameUnique(sysUser)) {
			msg = "保存用户'" + username + "'失败，注册账号已存在";
		}
		else {
			sysUser.setNickName(username);
			sysUser.setPwdUpdateDate(DateUtils.getNowDate());
			sysUser.setPassword(SecurityUtils.encryptPassword(password));
			boolean regFlag = userService.registerUser(sysUser);
			if (!regFlag) {
				msg = "注册失败,请联系系统管理人员";
			}
			else {
				AsyncManager.me()
					.execute(AsyncFactory.recordLogininfor(username, Constants.REGISTER,
							MessageUtils.message("user.register.success")));
			}
		}
		return msg;
	}

	/**
	 * 校验验证码
	 * @param username 用户名
	 * @param code 验证码
	 * @param uuid 唯一标识
	 * @return 结果
	 */
	public void validateCaptcha(String username, String code, String uuid) {
		String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + StringUtils.nvl(uuid, "");
		String captcha = redisCache.getCacheObject(verifyKey);
		redisCache.deleteObject(verifyKey);
		if (captcha == null) {
			throw new CaptchaExpireException();
		}
		if (!code.equalsIgnoreCase(captcha)) {
			throw new CaptchaException();
		}
	}

}
